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Commit 22b93dfb authored by Rob Pike's avatar Rob Pike
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now that we have a separate indirection test, simplify the scalar tests. 

R=rsc
DELTA=562  (8 added, 424 deleted, 130 changed)
OCL=31039
CL=31045
parent 671f807e
Show whitespace changes
Inline Side-by-side
Showing with 81 additions and 497 deletions
src/pkg/gob/codec_test.go
View file @ 22b93dfb
......@@ -107,12 +107,12 @@ func TestIntCodec(t *testing.T) {
verifyInt(-1<<63, t); // a tricky case
}
// The result of encoding three true booleans with field numbers 0, 1, 2
var boolResult = []byte{0x81, 0x81, 0x81, 0x81, 0x81, 0x81}
// The result of encoding three numbers = 17 with field numbers 0, 1, 2
var signedResult = []byte{0x81, 0xa2, 0x81, 0xa2, 0x81, 0xa2}
var unsignedResult = []byte{0x81, 0x91, 0x81, 0x91, 0x81, 0x91}
var floatResult = []byte{0x81, 0x40, 0xe2, 0x81, 0x40, 0xe2, 0x81, 0x40, 0xe2}
// The result of encoding a true boolean with field number 6
var boolResult = []byte{0x87, 0x81}
// The result of encoding a number 17 with field number 6
var signedResult = []byte{0x87, 0xa2}
var unsignedResult = []byte{0x87, 0x91}
var floatResult = []byte{0x87, 0x40, 0xe2}
func newEncState(b *bytes.Buffer) *EncState {
b.Reset();
......@@ -134,24 +134,11 @@ func TestScalarEncInstructions(t *testing.T) {
// bool
{
v := true;
pv := &v;
ppv := &pv;
data := (struct { a bool; b *bool; c **bool }){ v, pv, ppv };
instr := &encInstr{ encBool, 0, 0, 0 };
data := struct { a bool } { true };
instr := &encInstr{ encBool, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(boolResult, b.Data()) {
t.Errorf("bool enc instructions: expected % x got % x", boolResult, b.Data())
}
......@@ -160,24 +147,11 @@ func TestScalarEncInstructions(t *testing.T) {
// int
{
b.Reset();
v := 17;
pv := &v;
ppv := &pv;
data := (struct { a int; b *int; c **int }){ v, pv, ppv };
instr := &encInstr{ encInt, 0, 0, 0 };
data := struct { a int } { 17 };
instr := &encInstr{ encInt, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(signedResult, b.Data()) {
t.Errorf("int enc instructions: expected % x got % x", signedResult, b.Data())
}
......@@ -186,24 +160,11 @@ func TestScalarEncInstructions(t *testing.T) {
// uint
{
b.Reset();
v := uint(17);
pv := &v;
ppv := &pv;
data := (struct { a uint; b *uint; c **uint }){ v, pv, ppv };
instr := &encInstr{ encUint, 0, 0, 0 };
data := struct { a uint } { 17 };
instr := &encInstr{ encUint, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(unsignedResult, b.Data()) {
t.Errorf("uint enc instructions: expected % x got % x", unsignedResult, b.Data())
}
......@@ -212,24 +173,11 @@ func TestScalarEncInstructions(t *testing.T) {
// int8
{
b.Reset();
v := int8(17);
pv := &v;
ppv := &pv;
data := (struct { a int8; b *int8; c **int8 }){ v, pv, ppv };
instr := &encInstr{ encInt, 0, 0, 0 };
data := struct { a int8 } { 17 };
instr := &encInstr{ encInt, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(signedResult, b.Data()) {
t.Errorf("int8 enc instructions: expected % x got % x", signedResult, b.Data())
}
......@@ -238,24 +186,11 @@ func TestScalarEncInstructions(t *testing.T) {
// uint8
{
b.Reset();
v := uint8(17);
pv := &v;
ppv := &pv;
data := (struct { a uint8; b *uint8; c **uint8 }){ v, pv, ppv };
instr := &encInstr{ encUint, 0, 0, 0 };
data := struct { a uint8 } { 17 };
instr := &encInstr{ encUint, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(unsignedResult, b.Data()) {
t.Errorf("uint8 enc instructions: expected % x got % x", unsignedResult, b.Data())
}
......@@ -267,21 +202,11 @@ func TestScalarEncInstructions(t *testing.T) {
v := int16(17);
pv := &v;
ppv := &pv;
data := (struct { a int16; b *int16; c **int16 }){ v, pv, ppv };
instr := &encInstr{ encInt16, 0, 0, 0 };
data := struct { a int16 } { 17 };
instr := &encInstr{ encInt16, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(signedResult, b.Data()) {
t.Errorf("int16 enc instructions: expected % x got % x", signedResult, b.Data())
}
......@@ -290,24 +215,11 @@ func TestScalarEncInstructions(t *testing.T) {
// uint16
{
b.Reset();
v := uint16(17);
pv := &v;
ppv := &pv;
data := (struct { a uint16; b *uint16; c **uint16 }){ v, pv, ppv };
instr := &encInstr{ encUint16, 0, 0, 0 };
data := struct { a uint16 } { 17 };
instr := &encInstr{ encUint16, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(unsignedResult, b.Data()) {
t.Errorf("uint16 enc instructions: expected % x got % x", unsignedResult, b.Data())
}
......@@ -316,24 +228,11 @@ func TestScalarEncInstructions(t *testing.T) {
// int32
{
b.Reset();
v := int32(17);
pv := &v;
ppv := &pv;
data := (struct { a int32; b *int32; c **int32 }){ v, pv, ppv };
instr := &encInstr{ encInt32, 0, 0, 0 };
data := struct { a int32 } { 17 };
instr := &encInstr{ encInt32, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(signedResult, b.Data()) {
t.Errorf("int32 enc instructions: expected % x got % x", signedResult, b.Data())
}
......@@ -342,24 +241,11 @@ func TestScalarEncInstructions(t *testing.T) {
// uint32
{
b.Reset();
v := uint32(17);
pv := &v;
ppv := &pv;
data := (struct { a uint32; b *uint32; c **uint32 }){ v, pv, ppv };
instr := &encInstr{ encUint32, 0, 0, 0 };
data := struct { a uint32 } { 17 };
instr := &encInstr{ encUint32, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(unsignedResult, b.Data()) {
t.Errorf("uint32 enc instructions: expected % x got % x", unsignedResult, b.Data())
}
......@@ -368,24 +254,11 @@ func TestScalarEncInstructions(t *testing.T) {
// int64
{
b.Reset();
v := int64(17);
pv := &v;
ppv := &pv;
data := (struct { a int64; b *int64; c **int64 }){ v, pv, ppv };
instr := &encInstr{ encInt64, 0, 0, 0 };
data := struct { a int64 } { 17 };
instr := &encInstr{ encInt64, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(signedResult, b.Data()) {
t.Errorf("int64 enc instructions: expected % x got % x", signedResult, b.Data())
}
......@@ -394,24 +267,11 @@ func TestScalarEncInstructions(t *testing.T) {
// uint64
{
b.Reset();
v := uint64(17);
pv := &v;
ppv := &pv;
data := (struct { a uint64; b *uint64; c **uint64 }){ v, pv, ppv };
instr := &encInstr{ encUint, 0, 0, 0 };
data := struct { a uint64 } { 17 };
instr := &encInstr{ encUint, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(unsignedResult, b.Data()) {
t.Errorf("uint64 enc instructions: expected % x got % x", unsignedResult, b.Data())
}
......@@ -420,24 +280,11 @@ func TestScalarEncInstructions(t *testing.T) {
// float
{
b.Reset();
v := float(17);
pv := &v;
ppv := &pv;
data := (struct { a float; b *float; c **float }){ v, pv, ppv };
instr := &encInstr{ encFloat, 0, 0, 0 };
data := struct { a float } { 17 };
instr := &encInstr{ encFloat, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(floatResult, b.Data()) {
t.Errorf("float enc instructions: expected % x got % x", floatResult, b.Data())
}
......@@ -446,24 +293,11 @@ func TestScalarEncInstructions(t *testing.T) {
// float32
{
b.Reset();
v := float32(17);
pv := &v;
ppv := &pv;
data := (struct { a float32; b *float32; c **float32 }){ v, pv, ppv };
instr := &encInstr{ encFloat32, 0, 0, 0 };
data := struct { a float32 } { 17 };
instr := &encInstr{ encFloat32, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(floatResult, b.Data()) {
t.Errorf("float32 enc instructions: expected % x got % x", floatResult, b.Data())
}
......@@ -472,39 +306,33 @@ func TestScalarEncInstructions(t *testing.T) {
// float64
{
b.Reset();
v := float64(17);
pv := &v;
ppv := &pv;
data := (struct { a float64; b *float64; c **float64 }){ v, pv, ppv };
instr := &encInstr{ encFloat64, 0, 0, 0 };
data := struct { a float64 } { 17 };
instr := &encInstr{ encFloat64, 6, 0, 0 };
state := newEncState(b);
state.base = uintptr(unsafe.Pointer(&data));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 0;
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
instr.op(instr, state, encAddrOf(state, instr));
state.fieldnum = 1;
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
instr.op(instr, state, encAddrOf(state, instr));
if !bytes.Equal(floatResult, b.Data()) {
t.Errorf("float64 enc instructions: expected % x got % x", floatResult, b.Data())
}
}
}
func expectField(n int, state *DecState, t *testing.T) {
// derive the address of a field, after indirecting indir times.
func decAddrOf(state *DecState, instr *decInstr) unsafe.Pointer {
p := unsafe.Pointer(state.base+instr.offset);
return decIndirect(p, instr.indir);
}
func execDec(typ string, instr *decInstr, state *DecState, t *testing.T) {
v := int(DecodeUint(state));
if state.err != nil {
t.Fatalf("decoding field number %d: %v", n, state.err);
t.Fatalf("decoding %s field: %v", typ, state.err);
}
if v + state.fieldnum != n {
t.Fatalf("decoding field number %d, got %d", n, v);
if v + state.fieldnum != 6 {
t.Fatalf("decoding field number %d, got %d", 6, v + state.fieldnum);
}
state.fieldnum = n;
instr.op(instr, state, decAddrOf(state, instr));
state.fieldnum = 6;
}
func newDecState(data []byte) *DecState {
......@@ -514,420 +342,175 @@ func newDecState(data []byte) *DecState {
return state;
}
// derive the address of a field, after indirecting indir times.
func decAddrOf(state *DecState, instr *decInstr) unsafe.Pointer {
p := unsafe.Pointer(state.base+instr.offset);
return decIndirect(p, instr.indir);
}
// Test instruction execution for decoding.
// Do not run the machine yet; instead do individual instructions crafted by hand.
func TestScalarDecInstructions(t *testing.T) {
// bool
{
var data struct { a bool; b *bool; c **bool };
instr := &decInstr{ decBool, 0, 0, 0 };
var data struct { a bool };
instr := &decInstr{ decBool, 6, 0, 0 };
state := newDecState(boolResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("bool", instr, state, t);
if data.a != true {
t.Errorf("int a = %v not true", data.a)
}
if *data.b != true {
t.Errorf("int b = %v not true", *data.b)
}
if **data.c != true {
t.Errorf("int c = %v not true", **data.c)
}
}
// int
{
var data struct { a int; b *int; c **int };
instr := &decInstr{ decInt, 0, 0, 0 };
var data struct { a int };
instr := &decInstr{ decInt, 6, 0, 0 };
state := newDecState(signedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("int", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// uint
{
var data struct { a uint; b *uint; c **uint };
instr := &decInstr{ decUint, 0, 0, 0 };
var data struct { a uint };
instr := &decInstr{ decUint, 6, 0, 0 };
state := newDecState(unsignedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("uint", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// int8
{
var data struct { a int8; b *int8; c **int8 };
instr := &decInstr{ decInt8, 0, 0, 0 };
var data struct { a int8 };
instr := &decInstr{ decInt8, 6, 0, 0 };
state := newDecState(signedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("int8", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// uint8
{
var data struct { a uint8; b *uint8; c **uint8 };
instr := &decInstr{ decUint8, 0, 0, 0 };
var data struct { a uint8 };
instr := &decInstr{ decUint8, 6, 0, 0 };
state := newDecState(unsignedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("uint8", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// int16
{
var data struct { a int16; b *int16; c **int16 };
var data struct { a int16 };
instr := &decInstr{ decInt16, 0, 0, 0 };
state := newDecState(signedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("int16", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// uint16
{
var data struct { a uint16; b *uint16; c **uint16 };
var data struct { a uint16 };
instr := &decInstr{ decUint16, 0, 0, 0 };
state := newDecState(unsignedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("uint16", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// int32
{
var data struct { a int32; b *int32; c **int32 };
var data struct { a int32 };
instr := &decInstr{ decInt32, 0, 0, 0 };
state := newDecState(signedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("int32", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// uint32
{
var data struct { a uint32; b *uint32; c **uint32 };
var data struct { a uint32 };
instr := &decInstr{ decUint32, 0, 0, 0 };
state := newDecState(unsignedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("uint32", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// int64
{
var data struct { a int64; b *int64; c **int64 };
var data struct { a int64 };
instr := &decInstr{ decInt64, 0, 0, 0 };
state := newDecState(signedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("int64", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// uint64
{
var data struct { a uint64; b *uint64; c **uint64 };
var data struct { a uint64 };
instr := &decInstr{ decUint64, 0, 0, 0 };
state := newDecState(unsignedResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("uint64", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// float
{
var data struct { a float; b *float; c **float };
var data struct { a float };
instr := &decInstr{ decFloat, 0, 0, 0 };
state := newDecState(floatResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("float", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// float32
{
var data struct { a float32; b *float32; c **float32 };
var data struct { a float32 };
instr := &decInstr{ decFloat32, 0, 0, 0 };
state := newDecState(floatResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("float32", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
// float64
{
var data struct { a float64; b *float64; c **float64 };
var data struct { a float64 };
instr := &decInstr{ decFloat64, 0, 0, 0 };
state := newDecState(floatResult);
state.base = uintptr(unsafe.Pointer(&data));
expectField(0, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 1;
instr.indir = 1;
instr.offset = uintptr(unsafe.Offsetof(data.b));
expectField(1, state, t);
instr.op(instr, state, decAddrOf(state, instr));
instr.field = 2;
instr.indir = 2;
instr.offset = uintptr(unsafe.Offsetof(data.c));
expectField(2, state, t);
instr.op(instr, state, decAddrOf(state, instr));
execDec("float64", instr, state, t);
if data.a != 17 {
t.Errorf("int a = %v not 17", data.a)
}
if *data.b != 17 {
t.Errorf("int b = %v not 17", *data.b)
}
if **data.c != 17 {
t.Errorf("int c = %v not 17", **data.c)
}
}
}
......@@ -967,7 +550,7 @@ type T2 struct {
}
func TestAutoIndirection(t *testing.T) {
// First transfer t1, t2 into t0
// First transfer t1 into t0
var t1 T1;
t1.a = 17;
t1.b = new(int); *t1.b = 177;
......@@ -981,6 +564,7 @@ func TestAutoIndirection(t *testing.T) {
t.Errorf("t1->t0: expected {17 177 1777 17777}; got %v", t0);
}
// Now transfer t2 into t0
var t2 T2;
t2.d = 17777;
t2.c = new(int); *t2.c = 1777;
......
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